Support optional label in bar gauge

[khome.git] / home / lib / login_functions.sh

diff --git a/home/lib/login_functions.sh b/home/lib/login_functions.sh
index 92a111b..a497cbc 100644 (file)
--- a/home/lib/login_functions.sh
+++ b/home/lib/login_functions.sh
@@ -373,12 +373,13 @@ bar_gauge() {
 
     awk -v width="$width" '
         {
-            used  = $1
-            total = $2
+            cur = $1
+            max = $2
+            lab = $3
 
-            u = num_scale(used, total, 1, width)
+            u = num_scale(cur, max, 1, width)
 
-            printf "["
+            printf "%s%s[", lab, lab ? " " : ""
             for (i=1; i<=width; i++) {
                 c = i <= u ? "|" : "-"
                 printf "%s", c
@@ -392,30 +393,9 @@ bar_gauge() {
     '
 }
 
-motd() {
-    uname -srvmo
-    hostname | figlet
-    uptime
-
-    echo
-
-    printf 'tmux sessions: %d\n' "$(tmux ls 2> /dev/null | wc -l)"
-
-    echo
-
-    printf 'mem  '
-    free \
-    | awk '$1 == "Mem:" {total=$2; used=$3; print used, total}' \
-    | bar_gauge 73
-
-    printf 'disk '
-    df ~ \
-    | awk 'NR == 2 {used=$3; avail=$4; total=used+avail; print used, total}' \
-    | bar_gauge 73
-
+motd_batt() {
     case "$(uname)" in
         'Linux')
-            printf 'batt '
             upower --dump \
             | awk '
                 /^Device:[ \t]+/ {
@@ -436,16 +416,46 @@ motd() {
 
                 /^$/ {
                     if (device["is_battery"] && device["path"] == "/org/freedesktop/UPower/devices/DisplayDevice")
-                        print device["battery_percentage"], 100
+                        print device["battery_percentage"], 100, "batt"
                     delete device
                 }
-            ' \
-            | bar_gauge 73
+            '
         ;;
     esac
+}
+
+indent() {
+    awk -v unit="$1" '{printf "%s%s\n", unit, $0}'
+}
+
+motd() {
+    local -r bar_width='60'
+    local -r indent_unit='    '
+
+    uname -srvmo
+    hostname | figlet
+    uptime
 
     echo
 
+    printf 'tmux sessions: %d\n' "$(tmux ls 2> /dev/null | wc -l)"
+
+    echo
+
+    echo 'Resources'
+    (
+        free | awk '$1 == "Mem:" {print $3, $2, "mem"}'
+        df ~ | awk 'NR == 2 {print $3, $3 + $4, "disk"}'
+        motd_batt
+    ) \
+    | bar_gauge "$bar_width" \
+    | column -t \
+    | indent "$indent_unit"
+
+    echo
+
+    echo 'Network'
+    echo "${indent_unit}interfaces:"
     (ifconfig; iwconfig) 2> /dev/null \
     | awk '
         /^[^ ]/ {
@@ -485,10 +495,16 @@ motd() {
                 }
         }
         ' \
-    | column -t
+    | column -t \
+    | indent "${indent_unit}${indent_unit}"
 
-    #echo
-    # TODO: netstat summary
     # WARN: ensure: $USER ALL=(ALL) NOPASSWD:/bin/netstat
-    #sudo -n netstat -tulpn | awk '/^udp/ && !first++ {printf "\n"} 1'
+    echo "${indent_unit}TCP servers"
+    sudo -n netstat -tlnp \
+    | awk 'NR > 2 {print $7}' \
+    | awk -F/ '{print $2}' \
+    | sort -u \
+    | xargs \
+    | column -t \
+    | indent "${indent_unit}${indent_unit}"
 }